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Functionally graded NiTi alloy with exceptional strain-hardening effect fabricated by SLM method
Yang, Y.1; Zhan, J. B.1; Sui, J. B.1; Li, C. Q.1; Yang, K.2; Castany, P.3; Gloriant, T.3
Corresponding AuthorYang, Y.(yy@alum.imr.ac.cn)
2020-11-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume188Pages:130-134
AbstractIn this study, we have employed a repetitive laser scanning strategy to fabricate a three-dimensional functionally graded NiTi alloy by SLM method. The microstructure shows gradient characterized by the increase of volume fraction for B19' phase. An exceptional strain-hardening associated with continuous increase of mechanical recoverable strain is obtained in such material. The gradient of functionality is attributed to the superimposition of multi-deformation mechanisms originating from the microstructural gradient. The deformation mechanisms are dominated by reorientation of B19' variants at early stage of deformation and then by stress-induced martensitic transformation at higher level of stress. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordSLM NiTi alloys Functionally graded Phase transformation
Funding OrganizationNational Science Foundation for Young Scientists of China
DOI10.1016/j.scriptamat.2020.07.019
Indexed BySCI
Language英语
Funding ProjectNational Science Foundation for Young Scientists of China[51801199]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000558747100025
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/140154
Collection中国科学院金属研究所
Corresponding AuthorYang, Y.
Affiliation1.Guangdong Univ Technol, Sch Electromech Engn, Guangzhou 510006, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
3.Univ Rennes, INSA Rennes, CNRS, ISCR UMR 6226, F-35000 Rennes, France
Recommended Citation
GB/T 7714
Yang, Y.,Zhan, J. B.,Sui, J. B.,et al. Functionally graded NiTi alloy with exceptional strain-hardening effect fabricated by SLM method[J]. SCRIPTA MATERIALIA,2020,188:130-134.
APA Yang, Y..,Zhan, J. B..,Sui, J. B..,Li, C. Q..,Yang, K..,...&Gloriant, T..(2020).Functionally graded NiTi alloy with exceptional strain-hardening effect fabricated by SLM method.SCRIPTA MATERIALIA,188,130-134.
MLA Yang, Y.,et al."Functionally graded NiTi alloy with exceptional strain-hardening effect fabricated by SLM method".SCRIPTA MATERIALIA 188(2020):130-134.
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